Education writer Shelly Blake-Plock lists “21Things that will be obsolete by 2020.” Say goodbye to desks, language labs, computers (replaced by handheld devices), standardized tests, fear of Wikipedia, paperbacks, attendance offices Lockers, IT departments, and a whole lot more. She wrote this article in 2009 and revisited it in a 2011 follow up article: http://blogs.kqed.org/mindshift/2011/03/a-challenge-to-doubters-do-something-impossible/.